[INFO] cloning repository https://github.com/sabahtalateh/tokio_chat_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sabahtalateh/tokio_chat_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsabahtalateh%2Ftokio_chat_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsabahtalateh%2Ftokio_chat_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd3ac82fc35f7d0197021598b8b47ade28c53ad6
[INFO] testing sabahtalateh/tokio_chat_server against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsabahtalateh%2Ftokio_chat_server" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sabahtalateh/tokio_chat_server on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sabahtalateh/tokio_chat_server
[INFO] finished tweaking git repo https://github.com/sabahtalateh/tokio_chat_server
[INFO] tweaked toml for git repo https://github.com/sabahtalateh/tokio_chat_server written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/sabahtalateh/tokio_chat_server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 622959301f6288bbd3390af16c0e1e261ef59bcd0f584862d03fe88ade6fc28d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "622959301f6288bbd3390af16c0e1e261ef59bcd0f584862d03fe88ade6fc28d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "622959301f6288bbd3390af16c0e1e261ef59bcd0f584862d03fe88ade6fc28d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "622959301f6288bbd3390af16c0e1e261ef59bcd0f584862d03fe88ade6fc28d", kill_on_drop: false }`
[INFO] [stdout] 622959301f6288bbd3390af16c0e1e261ef59bcd0f584862d03fe88ade6fc28d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ba42f1f9761f51b3ac15ec1bcaffd8cf79456e1da724fd5b8dd4547b71f9e99
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7ba42f1f9761f51b3ac15ec1bcaffd8cf79456e1da724fd5b8dd4547b71f9e99", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tokio_chat_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `tokio_chat_server`
[INFO] [stdout]  --> src/main.rs:1:2
[INFO] [stdout]   |
[INFO] [stdout] 1 | 
[INFO] [stdout]   |  ^ consider adding a `main` function to `src/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio_chat_server`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7ba42f1f9761f51b3ac15ec1bcaffd8cf79456e1da724fd5b8dd4547b71f9e99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ba42f1f9761f51b3ac15ec1bcaffd8cf79456e1da724fd5b8dd4547b71f9e99", kill_on_drop: false }`
[INFO] [stdout] 7ba42f1f9761f51b3ac15ec1bcaffd8cf79456e1da724fd5b8dd4547b71f9e99